EP3714101B1 - Aiguillage - Google Patents

Aiguillage Download PDF

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Publication number
EP3714101B1
EP3714101B1 EP18792345.3A EP18792345A EP3714101B1 EP 3714101 B1 EP3714101 B1 EP 3714101B1 EP 18792345 A EP18792345 A EP 18792345A EP 3714101 B1 EP3714101 B1 EP 3714101B1
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EP
European Patent Office
Prior art keywords
sleeper
elastomer
layer
layers
sleepers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18792345.3A
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German (de)
English (en)
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EP3714101A1 (fr
Inventor
Harald Loy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Getzner Werkstoffe Holding GmbH
Original Assignee
Getzner Werkstoffe Holding GmbH
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Application filed by Getzner Werkstoffe Holding GmbH filed Critical Getzner Werkstoffe Holding GmbH
Priority to EP20207942.2A priority Critical patent/EP3798360B9/fr
Publication of EP3714101A1 publication Critical patent/EP3714101A1/fr
Application granted granted Critical
Publication of EP3714101B1 publication Critical patent/EP3714101B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/22—Special sleepers for switches or crossings; Fastening means therefor
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/44—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from other materials only if the material is essential
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/46—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from different materials
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
    • E01B9/681—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by the material
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00—Characteristics of the track and its foundations
    • E01B2204/01—Elastic layers other than rail-pads, e.g. sleeper-shoes, bituconcrete

Definitions

  • the present invention relates to a switch for a track system for rail vehicles, the switch having rails and a sequence of sleepers and at least two of the rails are attached in pairs opposite one another on a sleeper top side of the respective sleeper and between a respective one of the rails and the respective sleeper top side an intermediate layer is arranged and the sleepers each have a sleeper bottom opposite their respective sleeper tops, and the sleeper pads each have at least one elastomer layer and the intermediate layers each have at least one elastomer layer.
  • Turnouts represent crossing points in track systems, at which at least one branch track is introduced into or out of a main track.
  • simple turnouts in which a branch track is led out of a main track or introduced into it.
  • crossing points where a branch track crosses a main track and leads out on both sides.
  • the AT 503 772 B1 shows a switch in which sleeper soles with at least one elastomer layer are arranged on the undersides of the sleepers. Between the rails and the sleepers are located in the AT 503 772 B1 Intermediate layers, which are referred to as fastening means in this document. From the AT 503 772 B1 It is also known to vary the softness or hardness of the sleeper soling over the length of the sleeper.
  • the FR 2 410 086 A1 shows the generic state of the art.
  • an elastic intermediate layer is provided between the rail and the sleeper and an elastic sleeper sole is provided under the sleeper.
  • the object of the invention is to improve a switch of the type mentioned above in such a way that abrupt transitions in the elastic properties in Longitudinal direction of the switch can be avoided.
  • the invention proposes a switch according to claim 1 for this purpose.
  • an elastic plane is formed by the at least one elastomer layer of the sleeper soles.
  • a second elastic level is formed by the elastomer layers of the intermediate layers. The elastic properties of these elastomer layers can be coordinated with one another depending on the requirements in order to achieve a coordinated optimization using both elastic layers. As a result, the insulation properties of the overall system of the switch can be adapted very precisely to the various requirements occurring in the switch at different locations. The deflection can be homogenized over the course of the switch.
  • the inclusion of at least one second elastic plane allows the elastic properties of the switch to be fine-tuned to the specific tasks to be solved locally within the switch at different points.
  • both the sleeper pads and the intermediate layers can each be constructed in one or more parts.
  • Both the sleeper pads and the intermediate layers can each consist of a single elastomer layer. However, they can each also have several layers of elastomer.
  • the sleeper soles and the intermediate layers can also have non-elastic components or layers.
  • the sleeper pads can be, for example, from the AT 506 772 B1 known multi-layer structure with two elastic layers, one Reinforcing layer and a random fiber or connecting layer act.
  • the intermediate layers can also have, for example, metal plates, as is also explained further below by way of example in the description of the figures.
  • Preferred variants of the invention provide that in the switch the elastomer layers of at least two different sleeper pads have a different bedding module and / or that in the switch the elastomer layers of at least two different intermediate layers have different stiffnesses from one another.
  • the bedding modules of the elastomer layers of the at least two different sleeper pads differ from one another by an amount of at least 25% of the larger bedding module and / or that the stiffness of the elastomer layers of the at least two different intermediate layers by an amount of at least 25% the greater rigidity differ from each other.
  • the sleeper soles can also have areas of different hardness or softness along the longitudinal direction of the sleeper. It can be a single, continuous sleeper base, but also separate sections which together form the sleeper base.
  • the elastomer layers are layers of at least one elastomer.
  • Elastomers are dimensionally stable but elastically deformable plastics that deform elastically under tensile and compressive loads, but then at least essentially find their way back into their original, undeformed shape.
  • the elastomer layer of the respective intermediate layer and / or the elastomer layer of the respective sleeper sole comprises polyurethane or rubber or a mixture with polyurethane and / or rubber.
  • the elastomer layers mentioned can also consist entirely of the materials mentioned. Rubber can be natural or synthetic rubber elastomers. It is preferably foamed polyurethane and / or foamed rubber. Both foamed variants are preferably designed with closed pores.
  • the elastomer layer of the respective sleeper sole has a bedding module in the range from 0.02 N / mm3 (Newtons per cubic millimeter) to 0.6 N / mm3, preferably from 0.1 N / mm3 to 0.5 N / mm3, particularly preferably from 0.15 N / mm3 to 0.4 N / mm3.
  • the bedding module is often used to describe the deformation behavior in the ballast track. It describes the relationship between the surface pressure and the associated depression. A softer material therefore has a smaller bedding module and vice versa. In a simplified way, the bedding module indicates the surface pressure at which a certain depression results.
  • the elastomer layer of the respective intermediate layer advantageously has a stiffness in the range from 5 kN / mm (kilonewtons per millimeter) to 1,000 kN / mm, preferably from 10 kN / mm to 300 kN / mm, particularly preferably from 20 kN / mm to 200 kN / mm, provided.
  • the stiffness could also be referred to as the spring number or support point stiffness. It describes the relationship between the support force and the subsidence.
  • the stiffness of softer materials is lower than that of relatively harder materials.
  • the bedding module can be determined, for example, in accordance with DIN 45673, August 2010 edition.
  • the stiffness can be determined according to EN 13146, April 2012 edition.
  • the elastomer layer of the sleeper sole of a respective one of the sleepers has at least two differently soft areas, the harder area of the elastomeric layer of the sleeper sole under a first of the rails and the softer area of the elastomeric layer of the sleeper sole under a second of the rails, the first of the rails and the second of the rails being fixed at a distance from one another on the upper side of the sleeper of the respective sleeper and the elastomer layer of the intermediate layer arranged between the first of the rails and the upper side of the sleeper of this sleeper and the elastomer layer of the intermediate layer between the second of the rails and the intermediate layer arranged on the sleeper top side of this sleeper are differently soft relative to one another.
  • the elastomer layer of the sleeper sole can also be designed to be differently soft in the longitudinal direction along the sleeper, so that the elastomer layers of the intermediate layers above the sleeper, i.e. on the top of the sleeper, on the in the longitudinal direction of the Threshold mutually distanced places are designed differently hard or soft. It is particularly preferably provided that in the area above a relatively soft area of the elastomer layer of the sleeper sole there is also an intermediate layer with a relatively soft elastomer layer, and vice versa.
  • the elastomer layer of the intermediate layer arranged between the first of the rails and the sleeper top side of this sleeper is harder than the elastomer layer of the intermediate layer arranged between the second of the rails and the sleeper top side of this sleeper.
  • the invention provides that, viewed in a longitudinal direction transversely, preferably orthogonally, to the sleepers, the elastomer layers of the sleeper soles of at least two of the sleepers arranged one after the other are differently soft relative to one another and also the elastomer layers of the intermediate layers on at least two of the sleepers arranged one after the other are designed to be differently soft relative to each other, with the elastomer layers of the intermediate layers on these two sleepers being equally soft in the event of a change in the softness of the elastomer layer of the sleeper sole from one of the sleepers to the sleeper following in the longitudinal direction and / or in the case of a change in softness of the elastomer layer of the intermediate layer from one of the sleepers to the sleeper following in the longitudinal direction, the elastomer layers of the sleeper sole
  • the invention provides that changes in the softness in the plane of the sleeper soling are not accompanied by changes in the softness in the plane of the intermediate layers, but that these changes are offset in the longitudinal direction across the sleepers by at least one sleeper relative to one another.
  • the changes in the elastic properties along the switch can be smoothed or smeared.
  • This principle is favorably used in the entire switch area.
  • One Overlapping over several sleepers is beneficial.
  • changes in the softness or hardness in the plane of the intermediate layers are always offset from changes in the softness or hardness in the plane of the sleeper soling.
  • the sleeper soling in the tongue device area should be made relatively plastic or viscoplastic in order to achieve the highest possible lateral displacement resistance in the ballast bed or on some other surface.
  • the elastic properties being relatively hard in the vertical direction as well.
  • the elastomer layer of the intermediate layer on a respective one of the sleepers is softer than the elastomer layer of the sleeper sole under this sleeper. Due to the relatively soft elastomer layer in the intermediate layer, a relatively hard elastomer layer in the sleeper sole to ensure the required lateral displacement resistance can be compensated for in such a way that the desired elastic behavior overall results in the vertical direction.
  • the elastomer layers of the sleeper sole are viscoplastic with an EPM index in a range from 10% to 25%, preferably from 10% to 20%, with the EPM index as in the WO 2016/077852 A1 is defined and can be measured.
  • the elastomer layers of the intermediate layers have a stiffness in a range from 20 kN / mm to 200 kN / mm, preferably from 40 kN / mm to 100 kN / mm.
  • the preferred relationships and properties specified in claims 5 to 9 can apply to the at least one elastomer layer of the sleeper sole and / or the at least one elastomer layer of the intermediate layer, but also to the entire sleeper sole and / or the entire intermediate layer.
  • Switch 1 shown schematically in a plan view, is a so-called simple switch, in which a branch track 18 opens into a main track 3.
  • a branch track 18 opens into the main track 3 on one side and leads beyond it on the other side.
  • the main track 3 is the track that is used the most.
  • Branch track 18 is usually a less traveled track.
  • the rails 2 are fastened in pairs opposite one another on each of the sleepers 4.
  • the sleepers 4 are arranged along the entire switch transversely and in some areas even orthogonally to the longitudinal direction 13 of both the main track 3 and the branch track 18.
  • the switch 1 itself has the switch device area 14, the intermediate track area 15 and the frog area 16.
  • In the switch device area 14 are the tongue rails 23, which are pivotably arranged on the tongue rail joints 23.
  • the frog 17 is located in the frog area 16 of the switch 1 Intermediate rails 25 fixed rigidly on the sleepers 4 in each case.
  • the outer rails 2 are also referred to as stock rails 24.
  • the frog area 16 of the switch 1 ends on the side facing away from the switch device area 14 with the last continuous threshold 20, which is also often referred to as LDS. Subsequently, several so-called short sleepers 21 follow both in the area of the main track 3 and in the area of the branch track 18, which due to the given space conditions compared to those in the main track 3 and in the branch track 18 used thresholds 4 can be shortened on one side for reasons of space.
  • the rails 2 are often referred to as wing rails 26.
  • the rails 2 in the area of the short sleepers 21 are often referred to as connecting rails 27.
  • wheel control arms 19 can also be present in the intermediate track area 15 and the frog area 16, as is known per se and also shown here.
  • the structure of the switch 1 described so far Fig. 1 is known per se and therefore does not need to be explained further.
  • the term “rail 2” basically encompasses all types of rails 2, regardless of whether or not they are specifically designated and additionally provided with their own sign.
  • FIG. 2 to 7 each is a schematic representation of vertical sections along the above-mentioned cutting lines. It is shown in each case how the respective rails 2 rest on the sleeper tops 5 of the sleepers 4 by means of the intermediate layers 6 and the sleepers 4 rest on a ballast bed 28 via the sleeper soles 8 arranged on their sleeper undersides 7.
  • the type of attachment of the rails 2 and the intermediate layers 6 to the sleepers 4 is not shown in the illustrations. It can be carried out as in the prior art. The same applies to the fastening of the sleeper soles 8 to the sleeper undersides 7 of the sleepers 4.
  • a solid substructure known per se for example in the form of concrete slabs or the like, can also be present.
  • the sleeper soles 8 can, in particular in the case of a solid substructure, not only be arranged on the underside 7 of the sleeper, but also protrude upwards, preferably a little, on the side surfaces of the respective sleeper 4.
  • the sleeper pads 8 can also be referred to as sleeper shoes will. These can also have sleeper shoe insert plates known per se.
  • Both the intermediate layers 6 and the sleeper pads 8 are shown designed as a single-layer body in the form of the elastomer layers 10 and 9, respectively. As explained at the beginning, this does not have to be the case. Both the intermediate layers 6 and the sleeper soles 8 can also have further layers in addition to their elastomer layers 10 or 9, as already explained at the beginning and with reference to those explained further below Fig. 8 is also described by way of example at least for the intermediate layer 6.
  • the elastomer layers 9 of the sleeper soles 8 and also the elastomer layers 10 of the intermediate layers 6 have been hatched differently.
  • Each type of hatching is an example of a certain hardness or softness of the respective elastomer layer 9 or 10, the chosen representation being purely about the relationships relative to one another.
  • the hardest elastomer layers 9 and 10 are dashed vertically.
  • Medium degrees of hardness or softness are dashed diagonally.
  • the relatively softest elastomer layers 9 and 10 are indicated by horizontal hatching.
  • Fig. 2 shows the vertical section along the section line AA in the intermediate track area 15, in which the rails 2 are also referred to as intermediate rails 25.
  • the lower elastic level is formed by the elastomer layer 9 of the sleeper sole 8.
  • the upper elastic level is realized by the elastomer layers 10 of the intermediate layers 6.
  • the elasticity or softness of the elastomer layer 9 of the sleeper sole 8 is designed to be constant over the entire longitudinal extent in the longitudinal direction 31 of the sleeper 4.
  • the elastomer layers 10 of the intermediate layers 6 arranged on the sleeper top side 5 are harder than the elastomer layer 9 of the sleeper sole 8, but are designed to be equally soft or hard relative to one another.
  • Fig. 3 shows a vertical section along the section line BB from Fig. 1 in the longitudinal direction 13 of the switch 1 through the same threshold as Fig. 2 .
  • Fig. 4 shows the vertical section in the frog region 16 of the switch 1 along the section line CC Fig. 1 and thus along a sleeper 4 designed as a long sleeper, which is always eccentrically loaded when a train passes over, since the train travels either along the main track 3 or along the branch track 18. This inevitably leads to one-sided loading and thus a tendency for the thresholds 4 to tilt in this area. To counteract this, the outer areas 11 of the elastomer layer 9 of the sleeper sole 8 are made harder than the central area 12 of the elastomer layer 9 of the sleeper sole 8. However, there are limits to this possibility of compensating for tilting effects.
  • the softness in the sleeper sole 8 or its elastomer layer 9 in the area 12 must not deviate too much from the edge areas 11.
  • the softness of the elastomer layers 10 of the intermediate layers 6 is also varied along the longitudinal direction 31 of the sleeper 4.
  • the elastomer layer 9 of the sleeper sole 8 of a respective one of the sleepers 4 has at least two differently soft areas 11 and 12, the harder area 11 of the elastomer layer 9 of the sleeper sole 8 below a first the rails 29 and the softer area 12 of the elastomer layer 9 of the sleeper sole 8 is arranged under a second of the rails 30, the first of the rails 29 and the second of the rails 30 being attached at a distance from one another on the sleeper top 5 of the respective sleeper 4 and the elastomer layer 10 of the between the
  • the first of the rails 29 and the sleeper top 5 of this sleeper 4 arranged intermediate layer 6 and the elastomer layer 10 of the intermediate layer 6 arranged between the second of the rails 30 and the sleeper top 5 of this sleeper 4 are of different hardness relative to one another, whereby here it is specifically provided that the elastomer layer 10 of the intermediate layer 6 arranged between the first of the rails 29
  • FIG Fig. 5 A second example in which the softness of the elastomer layers 9 and 10 is varied both in the sleeper sole 8 and in the intermediate layers 6 along the longitudinal direction 31 of the sleeper 4 is shown in FIG Fig. 5 shown.
  • This is a vertical section along the section line DD Fig. 1 That is, around a vertical section of the short sleeper 21 immediately following the last continuous sleeper 20.
  • This tilting effect can also be counteracted with regions 11 and 12 of the elastomer layer 9 of the sleeper sole 8 of different softness or hardness. Measurements have shown, however, that smoothing can be achieved in this way, but the loads introduced are still very inhomogeneous, so that different settlements can occur in the substructure, i.e. here in the ballast bed 28.
  • the additional elastomer layers 10 of the intermediate layers 6, ie a second elastic level, allow further fine-tuning of the elasticities or softness in the longitudinal direction 31 along the sleeper 4, resulting in an improved and more homogeneous overall Load transfer also leads in the area of these short sleepers 21 shortened on one side.
  • a softer intermediate layer 6 is located above a softer area 12 of the sleeper sole 8 and a harder intermediate layer 6 is also located above the harder area 11 of the sleeper sole 8.
  • Fig. 6 shows a longitudinal section parallel to the longitudinal direction 13 of the switch 1 or the main track 3 transversely to the sleepers 4.
  • the principle is implemented that changes in elasticity in the elastomer layers 9 and 10 of the sleeper sole 8 and the intermediate layer 6 are only offset from one another, i.e. not can be realized between the same thresholds 4. It is in Fig.
  • the elastomer layers 9 of the sleeper soles 8 of at least two of the successively arranged sleepers 4 are differently soft relative to one another and also the elastomer layers 10 of the intermediate layers 6 on at least two of the successively arranged sleepers 4 are also designed to be differently soft relative to one another, with the elastomer layers 10 of the intermediate layers 6 on these two sleepers in the event of a change in the softness of the elastomer layer 9 of the sleeper sole 8 from one of the sleepers 4 to the sleeper 4 following in the longitudinal direction 13 4 are equally soft and / or in the event of a change in the softness of the elastomer layer 10 of the intermediate layer 6 from one of the sleepers 4 to the sleeper 4 following in the longitudinal direction, the elastomer layers 9 of the sleeper soles 8 under these two sleepers 4 are equally soft.
  • the elasticity or softness of the elastomer layer 9 in the sleeper sole 8 is then changed from the second to the third sleeper 4, while the elasticity or softness of the elastomer layer 10 of the intermediate layer 6 remains unchanged at the transition between these two sleepers.
  • the softness of the elastomer layer 9 of the sleeper sole 8 changes between the fifth and sixth sleeper 4, while the Softness of the elastomer layer 10 of the intermediate layer 6 remains the same.
  • the stiffness of the elastomer layer 10 of the intermediate layer 6 is in the range between 5 and 150 kN / mm. If the bedding modulus of the elastomer layer 9 of the sleeper sole 8 is in the range from 0.2 to 0.3 N / mm 3 , the elastomer layer 10 of the intermediate layer 6 advantageously has a stiffness in the range from 10 to 200 kN / mm in such variants.
  • the bedding modulus of the elastomer layer 9 of the sleeper sole 8 is in a range from 0.3 to 0.6 N / mm 3
  • the elastomer layer 10 of the intermediate layer 6 in the variants mentioned advantageously has a stiffness in the range from 15 to 250 kN / mm on.
  • Fig. 7 shows the section ZZ from Fig. 1 in the switch device area 14.
  • sleeper soles 8 the elastomer layers 10 of which have viscoplastic properties.
  • the EPM index of the elastomer layers 9 of the sleeper soles 8 in this area is advantageously in the range between 10% and 25%, preferably between 10% and 20%.
  • the bedding modulus of the elastomer layers 9 of the sleeper soles 8 in this tongue device area 14 is advantageously in the range from 0.1 to 0.6 N / mm 3 .
  • the intermediate layers 6 in this tongue device area 14 are advantageously designed to be correspondingly soft.
  • the elastomer layers 10 of the intermediate layers 6 here advantageously have a rigidity in the range from 20 to 200 kN / mm, preferably from 40 to 100 kN / mm.
  • the elastomer layer 10 of the intermediate layer 6 on a respective one of the sleepers 4 is softer than the elastomer layer 9 of the sleeper sole 8 under this sleeper 4.
  • the intermediate layer 6 consists in each case of a single elastomer layer 10.
  • the intermediate layer 6 can also be composed of multiple layers and of different materials.
  • One such example is in Fig. 8 shown.
  • the intermediate layer 6 has a metal plate 32 in addition to the elastomer layer 10.
  • the rail 2 is fastened to the metal plate 32.
  • Such metal plates 32 can be used, for example, to enlarge the area with which the elastomer layer 10 of the intermediate layer 6 is pressed.
  • the sleeper pad 8 reference being made in particular to the prior art already mentioned at the beginning, which shows multilayer sleeper pads 8.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Railway Tracks (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Laminated Bodies (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Switches With Compound Operations (AREA)
  • Lock And Its Accessories (AREA)
  • Push-Button Switches (AREA)

Claims (9)

  1. Aiguillage (1) pour un appareil de voie ferrée pour des véhicules ferroviaires, l'aiguillage (1) présentant des rails (2) et une succession de traverses (4), et au moins deux des rails (2) étant fixés l'un en face de l'autre par paires sur une face supérieure de traverse (5) de chaque traverse (4), et une couche intermédiaire (6) étant disposée entre l'un desdits rails (2) et la face supérieure de la traverse (5) correspondante, et les traverses (4) étant munies chacune d'une semelle de traverse (8) sur des faces inférieures de traverse (7) opposées à leurs faces supérieures de traverse (5) respectives, et chacune des semelles de traverse (8) étant munie d'au moins une couche d'élastomère (9), et les couches intermédiaires (6) étant munies chacune d'au moins une couche d'élastomère (10), caractérisé en ce que les couches d'élastomère (9) des semelles de traverses (8) d'au moins deux des traverses (4) disposées l'une derrière l'autre, considérées dans une direction longitudinale (13) transversale, de préférence orthogonale, aux traverses (4), présentent une souplesse différente l'une par rapport à l'autre, et les couches d'élastomère (10) des couches intermédiaires (6) sur au moins deux des traverses (4) disposées l'une derrière l'autre présentent également une souplesse différente l'une par rapport à l'autre, avec, en cas de changement de la souplesse de la couche d'élastomère (9) de la semelle de traverse (8) d'une des traverses (4) par rapport à la traverse (4) qui la suit dans la direction longitudinale (13), les couches d'élastomère (10) des couches intermédiaires (6) sur ces deux traverses (4) étant de même souplesse, et/ou en cas de changement de la souplesse de la couche d'élastomère (10) de la couche intermédiaire (6) d'une des traverses (4) par rapport à la traverse (4) qui la suit dans la direction longitudinale (13), les couches d'élastomère (9) des semelles de traverse (8) sous ces deux traverses (4) étant de même souplesse.
  2. Aiguillage (1) selon la revendication 1, caractérisé en ce que dans l'aiguillage (1), les couches d'élastomère (9) d'au moins deux semelles de traverse (8) différentes présentent un module de réaction de la plate-forme différent l'un de l'autre, et/ou en ce que dans l'aiguillage (1), les couches d'élastomère (10) d'au moins deux couches intermédiaires (6) différentes présentent une raideur différente l'une de l'autre.
  3. Aiguillage (1) selon la revendication 1 ou 2, caractérisé en ce que la couche d'élastomère (9) de la semelle de chaque traverse (8) a un module de de réaction de la plate-forme dans la plage allant de 0,02 N/mm3 à 0,6 N/mm3, de préférence de 0,1 N/mm3 à 0,5 N/mm3, plus particulièrement de 0,15 N/mm3 à 0,4 N/mm3, et/ou en ce que la couche d'élastomère (10) de chaque couche intermédiaire (6) présente une raideur dans la plage allant de 5 kN/mm à 1 000 kN/mm, de préférence de 10 kN/mm à 300 kN/mm, plus particulièrement de 20 kN/mm à 200 kN/mm.
  4. Aiguillage (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la couche d'élastomère (10) de chaque couche intermédiaire (6) et/ou la couche d'élastomère (9) de chaque semelle de traverse (8) comprend ou consiste en du caoutchouc ou en du polyuréthane, de préférence moussé, ou en un mélange avec du caoutchouc et/ou du polyuréthane, de préférence moussé.
  5. Aiguillage (1) selon l'une des revendications 1 à 4, caractérisé en ce que la couche d'élastomère (9) de la semelle de traverse (8) de l'une desdites traverses (4) présente au moins deux régions (11, 12) de souplesse différente, la zone plus dure (11) de la couche d'élastomère (9) de la semelle de traverse (8) étant disposée sous un premier des rails (2, 29) et la zone plus souple (12) de la couche d'élastomère (9) de la semelle de traverse (8) étant disposée sous un deuxième des rails (2, 30), le premier des rails (2, 29) et le deuxième des rails (2, 30) étant fixés à distance l'un de l'autre sur la face supérieure de traverse (5) de la traverse (4) considérée, et la couche d'élastomère (10) de la couche intermédiaire (6) disposée entre le premier des rails (2, 29) et la face supérieure de traverse (5) de cette traverse (4), et la couche d'élastomère (10) de la couche intermédiaire (6) disposée entre le deuxième des rails (2, 30) et la face supérieure de traverse (5) de cette traverse (4) étant de souplesse différente l'une par rapport à l'autre.
  6. Aiguillage (1) selon la revendication 5, caractérisé en ce que la couche d'élastomère (10) de la couche intermédiaire (6) disposée entre le premier des rails (2, 29) et la face supérieure de traverse (5) de cette traverse (4) est plus dure que la couche d'élastomère (10) de la couche intermédiaire (6) disposée entre le deuxième des rails (2, 30) et la face supérieure de traverse (5) de cette traverse (4).
  7. Aiguillage (1) selon l'une des revendications 1 à 6, caractérisé en ce que, en particulier dans une partie d'aiguillage (14) de l'aiguillage (1), la couche d'élastomère (10) de la couche intermédiaire (6) sur l'une desdites traverses (4) est plus souple que la couche d'élastomère (9) de la semelle de traverse (8) sous cette traverse (4).
  8. Aiguillage (1) selon l'une des revendications 1 à 7, caractérisé en ce que, en particulier dans une partie d'aiguillage (14) de l'aiguillage (1), les couches d'élastomère (9) de la semelle de traverse (8) sont viscoplastiques avec un indice EPM dans une plage allant de 10 % à 25 %, de préférence de 10 % à 20 %.
  9. Aiguillage (1) selon l'une des revendications 1 à 8, caractérisé en ce que, en particulier dans une partie d'aiguillage (14) de l'aiguillage (4), les couches d'élastomère (10) des couches intermédiaires (6) présentent une raideur dans une plage allant de 20 kN/mm à 200 kN/mm, de préférence de 40 kN/mm à 100 kN/mm.
EP18792345.3A 2017-11-21 2018-09-06 Aiguillage Active EP3714101B1 (fr)

Priority Applications (1)

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EP20207942.2A EP3798360B9 (fr) 2017-11-21 2018-09-06 Aiguillage

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ATA455/2017A AT520697B1 (de) 2017-11-21 2017-11-21 Weiche
PCT/AT2018/000069 WO2019100089A1 (fr) 2017-11-21 2018-09-06 Aiguillage

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EP20207942.2A Division EP3798360B9 (fr) 2017-11-21 2018-09-06 Aiguillage
EP20207942.2A Division-Into EP3798360B9 (fr) 2017-11-21 2018-09-06 Aiguillage

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EP3714101B1 true EP3714101B1 (fr) 2021-10-20

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EP (2) EP3714101B1 (fr)
CN (2) CN114457631B (fr)
AT (1) AT520697B1 (fr)
AU (2) AU2018371681B2 (fr)
DK (1) DK3714101T3 (fr)
ES (2) ES2897484T3 (fr)
FI (1) FI3798360T3 (fr)
HU (1) HUE062004T2 (fr)
PL (1) PL3798360T3 (fr)
PT (1) PT3714101T (fr)
RU (1) RU2770640C2 (fr)
WO (1) WO2019100089A1 (fr)

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DE102020115509A1 (de) * 2020-06-10 2021-12-16 Het Elastomertechnik Gmbh Schwellenbesohlung für ein Betonbauteil

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US4609144A (en) * 1984-04-27 1986-09-02 Stedef S.A. Railroad tie cover
DE4201631A1 (de) 1992-01-22 1993-07-29 Butzbacher Weichenbau Gmbh Schwelle fuer schienen eines oberbaus fuer schienenfahrzeuge
FR2705108B1 (fr) * 1993-05-10 1995-08-04 Allevard Sa Dispositif de support et de calage d'un rail de chemin de fer.
CN2371218Y (zh) 1998-11-06 2000-03-29 朱锦煜 铁路道岔的加强装置
DE19911467A1 (de) * 1999-03-15 2000-09-21 Knape Vermoegensverwaltungs Gm Gleiskonstruktion mit gedämmter/elastischer Lagerung von Schienen an einer um Dämm-Material/Elastikmaterial herum geformten Stützschicht
EP1288370A1 (fr) 2001-08-28 2003-03-05 Rhomberg Bau GmbH Blochet de traverse, traverse à blochets, procédé et moule pour la fabrication d'un blochet ou d'une telle traverse, superstructure de voie ferrée, et procédé de correction du niveau d'une voie ferrée sans ballast
US7152807B2 (en) * 2004-08-24 2006-12-26 Nevins James H Pre-fastened rail pad assembly and method
DE102006020732B4 (de) 2006-05-04 2008-05-21 Carl Walther Gmbh Griffstück-Ansatz-Vorrichtung für Pistolen
AT503772B1 (de) * 2006-05-19 2008-06-15 Getzner Werkstoffe Holding Gmbh Weiche für eine gleisanlage für schienenfahrzeuge
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FR2906269B1 (fr) * 2006-09-22 2008-12-19 Alstom Transport Sa Traverse de chemin de fer
JP4878996B2 (ja) * 2006-11-20 2012-02-15 大和グラビヤ株式会社 鉄道レール支持用パッド
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AT506529B1 (de) 2008-03-06 2010-05-15 Getzner Werkstoffe Holding Gmbh Schwellensohle
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DE102014116905A1 (de) 2014-11-19 2016-05-19 Getzner Werkstoffe Holding Gmbh Schwellensohle

Also Published As

Publication number Publication date
AT520697B1 (de) 2022-06-15
US11427970B2 (en) 2022-08-30
EP3798360B9 (fr) 2023-07-12
CN111630226B (zh) 2022-04-19
EP3798360B1 (fr) 2023-03-22
CN111630226A (zh) 2020-09-04
RU2020108461A (ru) 2021-12-22
DK3714101T3 (da) 2022-01-03
PT3714101T (pt) 2021-11-12
RU2022104201A (ru) 2022-04-14
CN114457631B (zh) 2024-05-28
ES2897484T3 (es) 2022-03-01
ES2943310T9 (es) 2023-08-25
AU2018371681A1 (en) 2020-06-11
RU2770640C2 (ru) 2022-04-19
EP3714101A1 (fr) 2020-09-30
HUE062004T2 (hu) 2023-09-28
AT520697A1 (de) 2019-06-15
ES2943310T3 (es) 2023-06-12
WO2019100089A1 (fr) 2019-05-31
PL3798360T3 (pl) 2023-07-31
FI3798360T3 (fi) 2023-07-18
AU2018371681B2 (en) 2024-01-04
AU2023282176A1 (en) 2024-01-04
CN114457631A (zh) 2022-05-10
BR112020005614A2 (pt) 2020-09-29
EP3798360A1 (fr) 2021-03-31
RU2020108461A3 (fr) 2021-12-22
US20210404121A1 (en) 2021-12-30

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